. >> the smart phones must have nfc technology like the samsung dallas the. they must be loaded with the south whersoftware program. >> i would take my limited use clipper card it right near the phone or touch to the phone and it would reload additional rights on the card for free. then i can walk right over there walk right through the toll gate and drive muni for free. the match thousand commission has known about this footage of rafeal for more than a year and so far few writers if any have taken advantage of the flock. >> certainly there are certainly thousands of limited tickets used on munich every day. cost in one instance of abuse. and that h yet to be conconfirmed on the golden gate very. >> more likely will be prohibiting them from being reloaded or allowing each car to be used for a limited period of time. >> in san francisco dan kerman kron 4 news. >> are right we will take a break is 4: 23 back with more in just a couple of minutes. we are back. >> staples plans to trim retail footage in the u.s. about by 15 percent by the year 2015. they're clos